diff --git a/ssmlearn/do/tmall_ssm/pom.xml b/ssmlearn/do/tmall_ssm/pom.xml
index 786bad6..1ecc53a 100644
--- a/ssmlearn/do/tmall_ssm/pom.xml
+++ b/ssmlearn/do/tmall_ssm/pom.xml
@@ -8,7 +8,7 @@
   <name>tmall_ssm Maven Webapp</name>
   <url>http://maven.apache.org</url>
   <properties>
-    <spring.version>4.1.3.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
     <pagehelper.version>5.1.2-beta</pagehelper.version>
     <mysql.version>5.1.6</mysql.version>
     <mybatis.spring.version>1.2.3</mybatis.spring.version>